Vadim Zeitlin 55ccdb93e4 COW cleanup patch (1583966): ... 1. perform deep comparison for the classes for which it makes sense in the ports where this wasn't done yet 2. remove (shallow) comparison operators for the classes for which it does not make sense (such as wxBitmap) 3. makes wxBitmap use COW on all ports 4. adds wxObject::IsRefTo() 5. centralizes and improves COW docs git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42752 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775		2006-10-30 19:26:48 +00:00
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wx	COW cleanup patch (1583966):	2006-10-30 19:26:48 +00:00